(3CSHGH GdefY ef eeGQSI GdELQGA GdLfGFj (B:s (3GJNGP GdbGVj ELQGA aj GdOYhi (B/s - (3UGdM, eMehOs ((3GdbGgQI (B:s (3GdecJH Gdafj ddEUOGQGJ GdbGfhfjI,s, 2000)
(3HHdjhLQGajI (B: (3UaMI (B83-89.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs; (3GdbGfhf GdLfGFjs -- (3eUQs